Comment 2 for bug 1384715

Looks like bad configuration file:

Configuration file '/etc/nova/nova.conf'
 ==> Modified (by you or by a script) since installation.
 ==> Package distributor has shipped an updated version.
   What would you like to do about it ? Your options are:
    Y or I : install the package maintainer's version
    N or O : keep your currently-installed version
      D : show the differences between the versions
      Z : start a shell to examine the situation
 The default action is to keep your current version.
*** nova.conf (Y/I/N/O/D/Z) [default=N] ?
Installing new version of config file /etc/logrotate.d/nova-manage ...
Traceback (most recent call last):
  File "/usr/bin/nova-manage", line 10, in <module>
    sys.exit(main())
  File "/usr/lib/python2.7/dist-packages/nova/cmd/manage.py", line 1323, in main
    config.parse_args(sys.argv)
  File "/usr/lib/python2.7/dist-packages/nova/config.py", line 37, in parse_args
    default_config_files=default_config_files)
  File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1632, in __call__
    else sys.argv[1:])
  File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 2133, in _parse_cli_opts
    return self._parse_config_files()
  File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 2147, in _parse_config_files
    ConfigParser._parse_file(config_file, namespace)
  File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1252, in _parse_file
    raise ConfigFileParseError(pe.filename, str(pe))
oslo.config.cfg.ConfigFileParseError: Failed to parse /etc/nova/nova.conf: at /etc/nova/nova.conf:2, Section must be started before assignment: None
dpkg: error processing package nova-common (--configure):